Lee Min-woo

as Kang Won-tak

Haha

as Ha Dong-hoon

Im Ha-ryong

as Kang Young-kyu

Kim Sang-joong

as Jang Suk-jo

Kim Bo-yeon

as Won-tak's Mother

An Kil-kang

as Angel

Lee Han-wi

as Kalnal

Son Jeong-min

as Jeong A-kyoung

Jung Si-a

as Park Hyun-jung

Lee Hee-seok

as Lee Seong-jin

Choi Kwon

as Kim Kyoung-soo

In Gyo-jin

as Lee Chang-soo

Jo Dal-hwan

as Choon-man

Yoo Chae-mok

as Phone voice

Lee Yu-mi